ref: 3579757291db68f8e17a376476454996b7961bd7
dir: /sys/src/libthread/386.c/
#include <u.h> #include <libc.h> #include <thread.h> #include "threadimpl.h" static void launcher386(void (*f)(void *arg), void *arg) { (*f)(arg); threadexits(nil); } void _threadinitstack(Thread *t, void (*f)(void*), void *arg) { ulong *tos; tos = (ulong*)&t->stk[t->stksize&~7]; *--tos = (ulong)arg; *--tos = (ulong)f; t->sched[JMPBUFPC] = (ulong)launcher386+JMPBUFDPC; t->sched[JMPBUFSP] = (ulong)tos - 8; /* old PC and new PC */ }